
#include <rtthread.h>
#include <bsp_usart.h>
#include <board.h>

// static char tx_str[] = "$usr: \r\n";

int main()
{
    internal_sram_init();
    rt_thread_mdelay(500);
    rt_kprintf("Main Thread Start!!!\n");
    while (1)
    {
        rt_thread_mdelay(500);
        // bsp_debug_print_dma((uint8_t *)tx_str, sizeof(tx_str));
        rt_kprintf("$usr: \r\n");
        rt_thread_mdelay(500);
    }

    return 0;
}